VYPR
← All advisories
High severity8.2NVD Advisory· Published Dec 16, 2021· Updated Jun 17, 2026

CVE-2021-41028

CVE-2021-41028

Description

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.

Affected products

17
  • Fortinet/Forticlient10 versions
    cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*+ 9 more
    • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*range: >=6.2.0,<=6.2.9
    • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*range: >=6.0.0,<=6.0.9
    • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*range: >=6.0.0,<=6.0.9
    • cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:linux:*:*
    • cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:macos:*:*
    • cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:linux:*:*
    • cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:macos:*:*
    • cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:windows:*:*
    • (no CPE)range: <=7.0.1, <=6.4.6
  • Fortinet/Forticlient Endpoint Management Server3 versions
    cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*range: >=6.2.0,<=6.2.9
    • cpe:2.3:a:fortinet:forticlient_endpoint_management_server:7.0.0:*:*:*:*:*:*:*
    • cpe:2.3:a:fortinet:forticlient_endpoint_management_server:7.0.1:*:*:*:*:*:*:*
  • Fortinet/FortiClientMacllm-fuzzy
    Range: <=7.0.1, <=6.4.6
  • Fortinet/FortiClient Windowsllm-fuzzy
    Range: <=7.0.1, <=6.4.6
  • Fortinet/Forticlientemsllm-fuzzy
    Range: <=7.0.1, <=6.4.6
  • Fortinet/Fortinet FortiClientEMS, FortiClientWindows, FortiClientLinux, FortiClientMacv5
    Range: FortiClientEMS 7.0.1 and below, 6.4.6 and below, FortiClientWindows, FortiClientLinux, FortiClientMac 7.0.1 and below, 6.4.6 and below.

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.